312212334043000 has 128 divisors (see below), whose sum is σ = 733335931036800. Its totient is φ = 124413352704000.

The previous prime is 312212334042953. The next prime is 312212334043033. The reversal of 312212334043000 is 340433212213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312212334043000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8502264640 + ... + 8502301360.

It is an arithmetic number, because the mean of its divisors is an integer number (5729186961225).

Almost surely, 2^{312212334043000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312212334043000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366667965518400).

312212334043000 is an abundant number, since it is smaller than the sum of its proper divisors (421123596993800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312212334043000 is a wasteful number, since it uses less digits than its factorization.

312212334043000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68618 (or 68604 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 312212334043000 its reverse (340433212213), we get a palindrome (312552767255213).

The spelling of 312212334043000 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred thirty-four million, forty-three thousand".